And since the rate of impacts was presumably similar throughout the solar system, the lunar dates could be used as a benchmark to estimate the age of surfaces elsewhere.
由于在整个太阳系影响的比率是相似的，月亮的年龄可以用标准估算其他地方表面的年龄。
Objective Based on two sets of data from occupational epidemiology, Benchmark dose( BMD) was applied to estimate biological exposure limit (BEL).
目的研究基准剂量（BMD）在制定镉生物接触限值中的应用。
Objective Based on two sets of data from occupational epidemiology, Benchmark dose( BMD) was applied to estimate biological exposure limit (BEL).
目的研究基准剂量（BMD）在制定镉生物接触限值中的应用。
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